People’s working efficiency usually decreases more or less when the temperature 35℃ or even higher.
A. approaches
B. raises
C. draws
D. drops
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A. approaches
(答案→)B. raises
C. draws
D. drops
解析：考查动词辨析: A. approaches靠近，B.raises上升，C.draws 拉，吸引，D.drops下降，句意是：当温度上升35度或更高时，人们的工作效率会或多或少的减少。选B。